Home / 3,267.12-4,508.69-1,869.87

Finding the Fourth Proportional to 3,267.12, 4,508.69 and 1,869.87

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Solution

The fourth proportional to 3,267.12, 4,508.69 and 1,869.87 is: 2,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.12 : 4,508.69 = 1,869.87 : x
  2. Step 2: Convert to fraction form
    3,267.12/4,508.69 = 1,869.87/x
  3. Step 3: Cross multiply
    3,267.12x = 4,508.69 × 1,869.87
  4. Step 4: Simplify right side
    3,267.12x = 8,430,654.82
  5. Step 5: Solve for x
    x = 8,430,654.82/3,267.12
  6. Step 6: Final answer
    x = 2,580.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.